package com.tao.extend_;
//父类
public class Base {
    public int n1 = 100;
    protected int n2 = 200;
    int n3 = 300;
    private int n4 = 400;

    public Base(){//无参构造器
        System.out.println("父类Base()构造器被调用");
    }
    public Base(String name, int age){//有参构造器
        System.out.println("父类Base(String name, int age)构造器被调用");
    }
    public Base(String name){//有参构造器
        System.out.println("父类Base(String name)构造器被调用");
    }
    public int getN4() {
        return n4;
    }
    public void test100(){
        System.out.println("test100()...");
    }
    protected void test200(){
        System.out.println("test200()...");
    }
    void test300(){
        System.out.println("test300()...");
    }
    private void test400(){
        System.out.println("test400()...");
    }
    public void callTest400(){
        test400();
    }
}
